Patents by Inventor Allen S. Holman

Allen S. Holman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for separating materials magnetically
    Patent number: 4340468
    Abstract: Magnetic and non-magnetic materials are separated by passing stream thereof past coaxial current-carrying coils which produce a magnetic field wherein intensity varies sharply with distance radially of the axis of the coils.
    Type: Grant
    Filed: November 6, 1980
    Date of Patent: July 20, 1982
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Eugene C. Hise, Jr., Allen S. Holman